[sonic-swss-common][sonic-snmpagent] Update submodule (#8357)

Include below commits

sonic-swss-common
```
83d3351 2021-04-22 | [swig] fix ConfigDBConnector.db_name (#483) [Qi Luo]
fdf296f 2021-04-09 | Fix: ConfigDBConnector call super init with proper parameter name (#470) [Qi Luo]
4f580e3 2021-03-26 | [swig] translate SonicV2Connector::keys return type from C++ vector<string> to Python list (#468) [Qi Luo]
```

sonic-snmpagent
```
c160c2b 2021-08-04 | CPU Spike because of redundant and flooded keyspace notifis handled (#230) [Vivek Reddy]
a4dd3bf 2021-08-03 | Non-block reading counters to tolerate corrupted/delayed counters in COUNTERS_DB (#231) [Qi Luo]
```
This commit is contained in:
Qi Luo 2021-08-06 03:41:36 -07:00 committed by GitHub
parent a21fdeb58c
commit 0162cee667
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2 changed files with 2 additions and 2 deletions

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Subproject commit 946e5cf2344da47d0cdf8de5d31d70b0484664ef
Subproject commit c160c2b2a12d1c4d139b223165818f50f426dd39

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Subproject commit bf8c832cf1c7a6e72d7b1c843888ffb4a27088c8
Subproject commit 83d3351bc54fabb3b87789af31d664c5a0c00d00